from selenium import  webdriver
from selenium.webdriver.common.keys import  Keys
import time

bs= webdriver.Chrome('E:/chromedriver/chromedriver.exe')
bs.get('https://learn.letskodeit.com/p/practice')

elms=bs.find_elements_by_xpath("//*[@type='checkbox']")

for i in elms:
    print (i)
    i.click()
    time.sleep(2)
    i.click()